linux-kernel - Re: [PATCH v8 8/9] nvmem: sunxi: Move the SID driver to the nvmem framework

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Date:	Thu, 23 Jul 2015 16:48:54 +0100
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Stefan Wahren <stefan.wahren@...e.com>
CC:	linux-arm-kernel@...ts.infradead.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devicetree@...r.kernel.org, arnd@...db.de,
	linux-api@...r.kernel.org, s.hauer@...gutronix.de,
	sboyd@...eaurora.org, linux-kernel@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>,
	pantelis.antoniou@...sulko.com, Mark Brown <broonie@...nel.org>,
	linux-arm-msm@...r.kernel.org, mporter@...sulko.com,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	wxt@...k-chips.com
Subject: Re: [PATCH v8 8/9] nvmem: sunxi: Move the SID driver to the nvmem
 framework



On 23/07/15 16:18, Stefan Wahren wrote:
> Hi Srinivas,
>
> Am 20.07.2015 um 16:44 schrieb Srinivas Kandagatla:
>> From: Maxime Ripard <maxime.ripard@...e-electrons.com>
>>
>> Now that we have the nvmem framework, we can consolidate the common
>> driver code. Move the driver to the framework, and hopefully, it will
>> fix the sysfs file creation race.
>>
>> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
>> [srinivas.kandagatla: Moved to regmap based EEPROM framework]
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>> ---
>>   Documentation/ABI/testing/sysfs-driver-sunxi-sid   |  22 ---
>>   .../bindings/misc/allwinner,sunxi-sid.txt          |  17 ---
>>   .../bindings/nvmem/allwinner,sunxi-sid.txt         |  21 +++
>>   drivers/misc/eeprom/Kconfig                        |  13 --
>>   drivers/misc/eeprom/Makefile                       |   1 -
>>   drivers/misc/eeprom/sunxi_sid.c                    | 156 --------------------
>>   drivers/nvmem/Kconfig                              |  11 ++
>>   drivers/nvmem/Makefile                             |   2 +
>>   drivers/nvmem/sunxi_sid.c                          | 159 +++++++++++++++++++++
>>   9 files changed, 193 insertions(+), 209 deletions(-)
>>   delete mode 100644 Documentation/ABI/testing/sysfs-driver-sunxi-sid
>>   delete mode 100644 Documentation/devicetree/bindings/misc/allwinner,sunxi-sid.txt
>>   create mode 100644 Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt
>>   delete mode 100644 drivers/misc/eeprom/sunxi_sid.c
>>   create mode 100644 drivers/nvmem/sunxi_sid.c
>>
>> [...]
>> diff --git a/drivers/nvmem/Makefile b/drivers/nvmem/Makefile
>> index ff44fe9..4328b93 100644
>> --- a/drivers/nvmem/Makefile
>> +++ b/drivers/nvmem/Makefile
>> @@ -8,3 +8,5 @@ nvmem_core-y			:= core.o
>>   # Devices
>>   obj-$(CONFIG_QCOM_QFPROM)	+= nvmem_qfprom.o
>>   nvmem_qfprom-y			:= qfprom.o
>> +obj-$(CONFIG_NVMEM_SUNXI_SID)	+= nvmem_sunxi_sid.o
>> +nvmem_sunxi_sid-y		:= sunxi_sid.o
>
> is it really necessary to have 2 lines for a single driver?
>
> Why not the following line?
>
> obj-$(CONFIG_NVMEM_SUNXI_SID)	+= sunxi_sid.o
>
We can do that, but only reason i did it this way is to make the module 
naming consistent like nvmem_*.ko

--srini

> Regards
> Stefan
> --
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